IsItAGoodCar
Reliability Guide

Common Problems with the
2015 Renault Zoe

In 2015, Renault introduced the in-house R240 motor, improving real-world range by roughly 10% through higher motor efficiency, though AC charging capability was capped at 22kW rather than 43kW.

What changed for 2015

  • •Introduction of the Renault-manufactured R240 electric motor delivering improved energy efficiency
  • •Charging architecture revised to 22kW AC maximum, deleting the rare 43kW AC rapid-charge capability
  • •Official NEDC driving range increased from 130 miles to 149 miles (approx. 90-100 real-world summer miles)
  • •Updated R-Link software with improved EV charge scheduling and pre-conditioning functions

Common MOT watch-outs

  • !Accelerated front tyre shoulder wear and uneven tread depth across the front axle
  • !Binding rear brake shoe mechanisms leading to rolling road brake effort imbalance
  • !Worn front anti-roll bar bushes producing noticeable knocking over speed humps
5
Known Issues
3
Serious
2
Moderate
0
Minor

All Known Issues

Battery Charger Box (BCB) Failure

SeriousElectrics & Electronics

The BCB is responsible for managing AC charging. It is a common failure point, often caused by internal component failure or moisture ingress. A failed BCB will prevent the car from charging on AC, though DC rapid charging (if fitted) may still work.

Est. Repair Cost: £1,500–£2,500
Warning Signs:

"Unable to charge" message, Car trips house circuit breaker when plugged in, Intermittent charging at 22kW/11kW

What to Inspect:
  • Test the car on both a home 7kW charger and a 22kW public post
  • Check for any "Check Electrical System" warnings
  • Verify charging begins immediately without errors
Verified by IsItAGoodCar Research Team

Power Electronic Box (PEB) Failure

SeriousEngine

The PEB (Inverter) converts DC from the battery to AC for the motor. Failure symptoms often start with intermittent power loss or unusual whining noises before total vehicle immobilisation.

Est. Repair Cost: £2,000–£4,000
Warning Signs:

"Electric Motor Failure" warning, Sudden loss of power while driving, High-pitched electrical whine, Car stuck in "P"

What to Inspect:
  • Listen for unusual electrical whining under heavy acceleration
  • Check service history for inverter/PEB cooling fluid changes (critical every 4 years)
  • Scan for DTCs related to isolation faults
Verified by IsItAGoodCar Research Team

12V battery electrical chaos

SeriousElectrics & Electronics

A weak 12V battery is the root of most Zoe "breakdowns". It can cause "Check Electrical System" messages, charging failures, and total vehicle immobilisation.

Est. Repair Cost: £100–£200
Warning Signs:

Car refuses to start or charge, Random dashboard warning lights, Keyless entry failure

What to Inspect:
  • Age of the 12V battery (sticker on battery)
  • Voltage using a multimeter if possible
  • Service history for battery replacement
Verified by IsItAGoodCar Research Team

Suspension (Drop links and ball joints) wear

ModerateSuspension & Chassis

Due to the heavy battery pack, the Zoe’s front suspension components, particularly drop links and ball joints, wear faster than on a standard Clio.

Est. Repair Cost: £120–£350
Warning Signs:

Knocking noise over bumps, Vague steering feel, Uneven front tyre wear

What to Inspect:
  • Listen for clunks on the test drive
  • Inspect front tyres for inner edge wear
  • Check MOT history for suspension advisories
Verified by IsItAGoodCar Research Team

Charging port and flap failure

ModerateElectrics & Electronics

The locking pin for the Type 2 cable can fail, or the flap motor can seize, preventing the car from charging or releasing the cable.

Est. Repair Cost: £150–£450
Warning Signs:

Charging cable won’t lock or unlock, Charging flap stuck shut, Intermittent "Check Charging" message

What to Inspect:
  • Test the charging flap operation multiple times
  • Check for loose or corroded pins in the charging socket
Verified by IsItAGoodCar Research Team

Buying Tips for 2015 Renault Zoe

  • Decide between rapid charging Q210 models (43kW AC) and longer-range R240 models (22kW AC) based on regular charging habits
  • Listen for high-pitched bearing whine or milling noise from the reduction gearbox under acceleration and deceleration
  • Obtain a high-voltage battery State of Health (SoH) readout via an OBD scanner before purchasing